Cicatriz / Juan Gómez-Jurado.
“Simon Sax is a lucky guy. He’s young, smart and is about to become a billionaire by selling a great invention. And yet, he feels lonely. His success contrasts with his lack of social skills. He joins a dating site where he falls in love with Irina, with the inexperience and passion of a teenager. But she has an enigmatic scar on her cheek, and carries a dark secret…” (Syndetics summary)